ZUMT591TA

Single Bipolar Transistors Overview

The ZUMT591TA is a PNP silicon planar high-performance transistor housed in an SOT323 surface-mount package. It supports a continuous collector current of -1 A and offers a power dissipation capacity of 500 mW at 25°C ambient temperature. Key electrical characteristics include a collector-base breakdown voltage of -80 V, a collector-emitter breakdown voltage of -60 V, and a transition frequency of 150 MHz. The device operates within a junction and storage temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• Extremely low saturation voltage for efficient switching performance
• High continuous collector current capability of 1 Amp
• Compact SOT323 package design suitable for space-constrained layouts

Single Bipolar Transistors Applications

• Space or weight critical electronic applications
• General-purpose switching circuits
• High-performance amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix TA against the manufacturer's current datasheet to confirm tape-and-reel packaging details. Ensure compatibility with standard SOT323 footprint dimensions during PCB layout. Confirm that the component meets all required environmental and reliability standards for the intended operational environment before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when low saturation voltage and high current handling are required in a minimal footprint. Compare the -60 V collector-emitter rating against circuit peak voltages. Evaluate the 500 mW thermal dissipation limit relative to the expected operating temperature and board thermal management capabilities to ensure reliable long-term operation.

Single Bipolar Transistors Part Context

This part belongs to the ZUMT series of PNP silicon planar transistors originally developed by Zetex Semiconductors. The series is characterized by high performance and compact packaging solutions designed for modern surface-mount assembly requirements. Diodes Incorporated now provides documentation and support for these legacy components.

Single Bipolar Transistors Replacement Considerations

Check for direct pin-compatible alternatives within the same SOT323 package family. Verify that substitute parts match the -1 A current rating and -60 V voltage specifications. Ensure equivalent saturation voltage and transition frequency characteristics are maintained for circuit compatibility.

Single Bipolar Transistors FAQ

What is the maximum collector-emitter voltage for the ZUMT591TA?

The maximum collector-emitter breakdown voltage (VCEO) is -60 V.

Does the ZUMT591TA support high-frequency operation?

Yes, it has a transition frequency (fT) of 150 MHz under specified test conditions.

What is the power dissipation rating at room temperature?

The total power dissipation is rated at 500 mW when the ambient temperature is 25°C.